Tailoring many-body entanglement through local control

Details Tailoring many-body entanglement through local control Tailoring many-body entanglement through local control

2012-04-02

arxiv.org/abs/1204.0388v1

Physics

Quantum Physics

12 pages, 11 figures

Scientific paper

We construct optimal time-local control pulses based on a multipartite entanglement measure as target functional. The underlying control Hamiltonians are derived in a purely algebraic fashion, and the resulting pulses drive a composite quantum system rapidly into that highly entangled state which can be created most efficiently for a given interaction mechanism, and which bears entanglement that is robust against decoherence. Moreover, it is shown that the control scheme is insensitive to experimental imperfections in first order.

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